CN102202380B - 用于无线通信网络的方法与设备 - Google Patents
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
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- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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Abstract
本发明公开了涉及邻居基站指示的技术。例如,基站可生成并无线传送指示多个相邻基站的消息。该消息可包含具有一个或多个通配符值的指示符。通过使用这样的通配符值,指示符可以提供与这多个相邻基站相对应的信息。例如,指示符可以指示多个基站标识符(BSID)。或者,指示符可以指示多个前导索引。作为另一个备选,指示符可以指示多个载波频率。通过使用这样的技术,可节省开销,而不会造成移动性管理的不确定性。
Description
技术领域
本发明涉及邻居(neighbor)列表广播技术。
背景技术
无线网络通常采用蜂窝拓扑来跨越大的物理区域提供无线通信能力。通过这些拓扑,多个单独小区可以提供各种优点。这些优点的示例包括增加通信容量和降低发射器功率等级。
在每个小区中,相应的基站(BS)向一个或多个移动台(MS)提供通信接入。在操作过程中,小区的基站可广播邻居列表。邻居列表告知移动台(MS)相邻基站。从而,通过邻居列表,移动台获知网络拓扑。这便于小区之间的移动性管理(例如,切换)。
WiMAX网络是依据电气和电子工程师协会(IEEE)802.16标准进行操作的无线网络。在WiMAX网络中,基站能以NBR-ADV消息的形式广播邻居列表。
蜂窝拓扑可以采用各种重叠小区布置。例如,较大的小区(例如,宏小区)可以包含许多较小的小区(例如,微小区、微微小区和/或毫微微小区)。因此,在这样的场景下,基站可能要报告许多个邻居。不幸的是,这使得邻居列表广播变得很大。因此,可能会消耗过多的通信开销。
发明内容
本发明涉及一种用于无线通信网络的方法,包括:
生成消息,所述消息指示多个相邻基站;以及
无线传送所述消息,
其中,所述消息包含具有一个或多个通配符值的指示符,所述指 示符指示与所述多个相邻基站中的每一个相对应的信息。
本发明涉及一种设备,包括:
消息生成模块,用于生成指示多个相邻基站的消息;以及
收发器,用于无线传送所述消息,
其中,所述消息包含具有一个或多个通配符值的指示符,所述指示符指示与所述多个相邻基站中的每一个相对应的信息。
本发明涉及一种设备,包括:
收发器,用于接收无线消息,所述消息包含具有一个或多个通配符值的指示符,所述指示符指示与所述多个相邻基站中的每一个相对应的信息;以及
搜索模块,用于搜索所述多个相邻基站。
本发明涉及一种设备,包括:
用来生成消息的部件,所述消息指示多个相邻基站;以及
用来无线传送所述消息的部件,
其中,所述消息包含具有一个或多个通配符值的指示符,所述指示符指示与所述多个相邻基站中的每一个相对应的信息。
附图说明
在附图中,相同的附图标记一般指示相同的、功能相似的、和/或结构相似的元件。首次出现某一元件的附图由附图标记最左面的数字来指示。本发明将参考附图进行描述,其中:
图1为示例性操作环境的图;
图2-4为示例性邻居列表格式的图;
图5A和5B为示出基站和移动装置之间的示例性交互的图;
图6为示例性通配符编码技术的图;
图7为逻辑流程图;以及
图8为示出无线装置内的示例性实现的图。
具体实施方式
实施例提供涉及邻居基站指示的技术。例如,实施例可生成并无线传送用于指示多个相邻基站的消息。该消息可包含具有一个或多个通配符值的指示符。通过采用这样的通配符值,指示符可提供对应于这多个相邻基站的信息。例如,指示符可指示多个基站标识符(BSID)。或者,指示符可指示多个前导索引。作为另一备选,指示符可指示多个载波频率。通过采用这样的技术,可节省开销,而不会造成移动性管理的不确定性。这样的技术可用于依据(部分或全部)任何过去、现在或未来的IEEE 802.16(WiMAX)标准或者其扩展标准进行操作的网络。但是,实施例并不限定于这些网络。
图1是示例性操作环境100的图。该环境包括多个基站(BS)102a-g和多个移动台(MS)104a-h。BS 102a-g分别提供相应的小区106a-g。如图1所示,小区106d、106e和106f位于小区106a之中。因此,小区106a可以是宏小区,而小区106d、106e和106f中的每一个可以是微小区、微微小区或毫微微小区。
图1示出,MS 104a位于小区106a和106e之中,MS 104b位于小区106a之中,MS 104c位于小区106f和106a之中,MS 104d位于小区106d和106a之中,MS 104e位于小区106c之中,MS 104f位于小区106b之中,MS 104g位于小区106g之中,MS 104h位于小区106g之中。
基站102a-g可提供到MS 104a-h的无线连接,以使得这些MS可彼此通信,或者使这些MS可与网络中的任何其它实体通信。并且,基站102a-g也可以提供到其它网络的连接。例如,图1示出基站102a连接至核心网络109。而核心网络109又向MS 104a-h提供至有线电话网络110和因特网112的接入。提供这些连接是为了说明而非限定的目的。因此,也可以采用其它连接布置。
图1中的元件可以依据各种联网标准进行操作。示例性标准包括(但并不限定于)一种或多种IEEE 802.16WiMAX标准。
在一般操作中,BS 102a-g均可广播邻居列表(例如,NBR-ADV消息)。例如,图1示出BS 102c广播邻居列表120。邻居列表120 标识作为BS 102c的邻居的基站。作为示例,邻居列表120可以将BS102a、102d、102e、102f和102g标识为邻居。
在接收到邻居列表120后,小区106c中的移动台(例如,MS 104e)可以利用它所包含的信息执行各种操作。示例性操作包括(但并不限定于)搜索(scanning)和切换操作。
当前在IEEE 802.16(WiMAX)网络中,邻居列表(例如,NBR-ADV消息)的生成由所有邻居基站的循环来管理。下面在伪码示例1中示出该循环。
伪码示例1
在伪码示例1中,N代表邻居基站的数量。从而,对于每一个邻居基站(BSi),邻居列表可以指示该邻居的基站标识符(BSID)和该邻居的载波频率。并且,对于每一个邻居基站(BSi),邻居列表也可以指示该邻居的其它配置信息。
在IEEE 802.16网络中,BSID是唯一标识基站的48位值。并且,在IEEE 802.16网络中,前导索引是指示基站在特定载波频率所采用的预定前导的值(例如,整数值)。
图2是依据伪码示例1的示例性格式200的图。该格式可以包含在邻居列表广播(例如,NBR-ADV消息)中。如图2所示,该格式包含N个邻居基站的信息。更具体而言,图2中示出,对于每一个单独的邻居基站,提供BSID 202(以2011-201N示出)、前导204(以2041-204N示出)和载波频率206(以2061-206N示出)。并且,可为每一个邻居基站提供可选配置信息208(以2081-208N示出)。
如前所述,邻居列表可能会变得很大。因此,其传输可能会消耗过多的通信资源。实施例有利地减小了邻居列表的大小。例如,实施 例可广播对于特定字段仅包含部分信息的邻居列表。这种特征可以有利地节省开销,而不会造成移动性管理的不确定性。
如上述伪码示例1所示,当前的IEEE 802.16邻居列表广播对于每个邻居包含多种形式的信息。然而,通常,在邻居列表中传送该全部信息并不十分关键。例如,当移动台执行邻居基站搜索时,前导索引和载波频率可能更加有用。这是因为,通过读取在特定载波频率所搜索的目标BS的下行链路控制传输,移动台可最终获得相应的BSID。
因此,实施例采用具有通配符值的指示符,以使得一个标识符可以指示一组邻居基站。例如,实施例可采用这样的BSID指示符(本文称作“BSID*”)。BSID*的特定值可以捕获一组基站。从而,采用BSID*指示符可以有利地减少邻居列表广播的开销。
作为示例,考虑存在具有以下BSID(十六进制)的3个邻居BS的场景:0xFFFFFFFF0001,0xFFFFFFFF00A5和0xFFFFFFFF0A02。这些BSID值可以提炼为取值0xFFFFFFFF0***的BSID*。在该BSID*中,星号代表“通配符”或“无关”值。因此,这个BSID*的编码范围涵盖(cover)了这3个BSID中的每一个。
下面在伪码示例2中列出采用BSID*来涵盖多个邻居基站的邻居列表。
伪码示例2
根据该伪码,邻居列表广播包括BSID*。该BSID*可包含通配符值,以便涵盖多个(N个)邻居基站。相反地,该邻居列表包含这N个邻居基站中的每一个的单独的前导索引。并且,该邻居列表也可包含每一个单独的邻居基站的配置信息。
图3是依据伪码示例2的示例性格式300的图。该格式可包含在 邻居列表广播(例如,NBR-ADV消息)中。如图3所示,该格式包含N个邻居基站的信息。更具体而言,图3示出,提供BSID*302来涵盖全部N个邻居基站。此外,对于每一个单独的邻居基站,提供前导索引304(以3041-304N示出)和载波频率306(以3061-306N示出)。并且,可为每一个单独的邻居基站提供可选配置信息308(以3081-308N示出)。
图3中的格式提供了由N个邻居基站组成的基站集的信息。在实施例中,可对附加基站集重复该格式。从而,邻居列表可通告多个邻居基站集,其中每一个基站集可用相应的BSID*来指示。
一旦接收到该邻居列表,MS可搜索邻居基站,并确定它们的BSID(例如,在首先根据在邻居列表中所通告的前导索引标识这些基站之后)。如果BSID值落入广播的BSID*所涵盖的范围之内,则MS将该相应基站视为是被通告的邻居。从而,在实施例中,MS可认为该基站是被推荐用于切换的可能的目标基站。
从而,BSID*可以与前导索引结合使用。例如,在伪码示例2(如前所述)中,邻居列表包含BSID*(涵盖一个或多个邻居基站)以及多个邻居基站中的每一个的单独的前导索引。
然而,在具有许多小型小区的密集部署中,对每一个单独的邻居都广播前导索引可能会开销过大。因此,实施例可采用具有一个或多个通配符值的前导索引指示符来指示多个前导索引。
例如,实施例可以采用这样的前导索引指示符(本文称作“前导-索引*”)。前导-索引*的特定值可以捕获多个前导索引。从而,采用前导-索引*可以有利地减少邻居列表广播的开销。
下面在伪码示例3中列出采用通配符BSID*和前导-索引*的邻居列表。
伪码示例3
如伪码示例3所示,SBS可以使用BSID*和前导-索引*来指示处于特定载波频率的一组邻居基站。或者,代替指示与BSID*和前导-索引*相关联的特定载波频率,可以使用具有一个或多个通配符值的载波频率指示符(载波-频率*指示符)来涵盖多个载波频率(例如,一定范围的载波频率)。在伪码示例3中,前导-索引*可通过指示供邻居基站使用的一定范围的前导索引值来涵盖多个前导索引。
从而,实施例可使用单个邻居列表条目来代表一组邻居基站。该单个条目可包含各种形式的压缩信息。例如,该压缩信息可包含BSID*指示符、前导-索引*指示符、载波频率指示符和/或载波-频率*指示符。
此外,根据伪码示例3生成的邻居列表可包含配置信息。该配置信息可包含供邻居列表中的所有邻居共享的信息。并且,该配置信息还可包含一个或多个信息项,其中每一个信息项关于邻居列表中的单独邻居。
这样的“压缩”信息足以帮助移动台执行有效的搜索。基于该搜索,移动台可直接从邻居基站的下行链路控制信道中获得更多的系统配置信息(如果需要的话)。
图4是依据伪码示例3的示例性格式400的图。该格式可包含在邻居列表广播中(例如,NBR-ADV消息中)。如图4所示,该格式包含N个邻居基站的信息。更具体而言,图4示出,为了涵盖全部N个邻居基站,提供BSID*402、前导索引*404和载波频率406(或者,载波-频率*指示符)。并且,也可以提供供全部N个邻居基站共享的配置信息408。此外,对于每一个单独的邻居基站,可以提供配置信息410(以4101-410N示出)。
图4中的格式提供了由N个邻居基站组成的基站集的信息。在实施例中,可对附加基站集重复该格式。从而,一个邻居列表可通告多个邻居基站集,其中每一个基站集可用相应的BSID*、前导-索引*和载波频率(或者载波-频率*)值来指示。
实施例可以在其它方面使用具有通配符的指示符。例如,服务基站(SBS)可以使用BSID*来命令移动台搜索一组基站。例如,当SBS不能确定哪一个邻居基站是移动台的最佳切换候选基站时,可以这样做。
从而,通过用通配符值取代BSID数字值(例如,二进制数字值、十六进制数字值等),实施例可有利减少与MAC控制信令消息相关联的开销。这样的开销缩减在诸如采用宏小区、毫微微小区和/或微微小区的部署的密集部署中十分重要。
提供上述示例是为了说明而非限制的目的。因此,实施例可以采用通配符编码格式来压缩其它形式的信息。例如,载波频率指示符可通过采用通配符值来指示多个载波频率。
作为示例,网络操作员可提供采用载波频率集的多个基站。在该示例中,该载波频率集由网络范围的索引方案来表示,其中,索引值和载波频率之间存在一对一的关系。当在这些载波频率的子集上部署一组基站(例如,特定小区类型的基站)时,可以采用具有通配符值的载波频率指示符来涵盖该子集。例如,这样的指示符可编码一定范围的载波频率。这可有利地促进移动台搜索。
如本文所述,服务基站可广播邻居列表。一旦接收到,移动台可对邻居列表中所指示的这个(或这些)邻居基站执行搜索操作。进而,移动台可通过向服务基站传送搜索报告而做出响应。搜索报告包含针对这一个或多个邻居基站中的每一个的测量报告。
当采用压缩的邻居列表(例如,以伪码示例2和伪码示例3的格式的邻居列表)时,相应的搜索报告必须保证在基站与特定的测量报告相关联方面没有任何不确定性。从而服务基站可以做出合适的切换决策等。
如果测量报告采用压缩指示符(例如,BSID*、前导-索引*等),则可能会产生这样的不确定性。这是因为,当采用压缩的邻居列表时,甚至在搜索之后,移动台仍可能只具有邻居子集的信息(例如,BSID、前导索引等)。这与服务基站相反,服务基站具有它的所有邻居基站 的全部信息(例如,BSID、前导索引等)。
在测量报告中采用其它形式的指示符也可能会产生不确定性。例如,邻居中的目标BS的顺序索引可能并不可行。这是因为,移动台可能不能从压缩的邻居列表推断出特定BS的顺序索引。前导索引若用作搜索报告的标识也可能会引发混淆。这是因为,前导索引可能会再次使用(在空间上)。例如,当两个毫微微小区处于同一个宏小区的覆盖之下时,可能具有相同的前导索引。
因此,为了消除潜在的任何不确定性,实施例采用包含全部BSID值(例如,没有通配符值的BSID值)的测量报告。
图5A和5B是服务基站502和移动台504之间的示例性交互的图。更具体而言,这些图提供邻居列表广播和搜索过程的示例。
如图5A所示,在方框520,服务基站502广播邻居列表。该邻居列表通告了3组邻居基站。更具体而言,邻居列表通告了:由BSID*1、前导-索引*1和载波频率1涵盖的第一组;由BSID*2、前导-索引*2和载波频率1涵盖的第二组;以及由BSID*3、前导-索引*3和载波频率3涵盖的第三组。从而,在实施例中,该邻居列表可采用图4中的格式。
图5A还示出,(在方框522)服务基站502向移动台504发送命令。该命令指示移动台504对一组目标基站执行搜索操作。如图5A所示,这组目标基站由BSID*2、前导-索引*2和载波频率1指示。
一旦接收到该命令,移动台504(在方框524)在载波频率1执行搜索操作,从而丢弃那些未被BSID*2和前导索引*2涵盖的目标。
在该搜索操作之后,移动台504(在方框526)向基站502发送搜索报告。图5A示出,该搜索报告包含对两个邻居基站的测量(即,对BSID1的测量1和对BSID2的测量2)。如上所示,这些搜索报告并不采用BSID*。而是,对于每一个邻居基站采用常规BSID值。
图5B中的交互与图5A中的交互类似。然而,在图5B中,搜索由移动台504启动。更具体而言,方框522、524和526被方框550和552取代。
在方框550,移动台504基于在方框520广播的邻居列表执行搜索操作。具体而言,移动台504在载波频率1执行搜索。在该搜索过程中,移动台504丢弃那些在载波频率1未被广播的邻居列表(即,BSID*2和前导索引*2)涵盖的目标。
在该搜索操作之后,移动台504(在方框552)向基站502发送搜索报告。图5B示出,该搜索报告包含对两个邻居基站的测量(即,对BSID1的测量1和对BSID2的测量2)。在此示例中,这些邻居基站被在方框520发送的邻居列表广播所涵盖(更具体而言,在载波频率 1内)。如上所示,这些搜索报告并不采用BSID*。而是,对于每一个邻居基站采用常规BSID值。
如前所述,可以采用通配符技术来涵盖多个值。例如,技术可以指示通用前缀,例如BSID*=0xFFFFFFFF0***。并且,技术也可以指示通用后缀,例如BSID*=0x***FFFFFFFF0。此外,技术可以指示一般范围,例如BSID*=0xFFFF***FFFF0。
这些技术可以采用各种方式来格式化。图6是示出通配符编码技术的示例性格式600的图。该格式可用于邻居列表中,例如用于IEEE802.16NBR-ADV。
如图6所示,格式600包含通配符标志参数602。该参数指示是采用涵盖多个值(例如,多个BSID或多个前导索引)的“通配符”指示符还是采用指定单个值(例如,单个BSID或单个前导索引)的传统指示符。
通配符技术参数604指示采用多种编码技术中的哪一种技术。例如,参数604可以指示是对通用前缀、通用后缀还是对范围进行编码。
字段606指示按照参数604所指示的技术的值。例如,当参数604指示采用通用前缀时,则字段606指示该前缀的长度和值。但是,当参数604指示采用通用后缀时,则字段606指示该后缀的长度和值。或者,当参数604指示采用范围时,则字段606指示起始值和结束值。
另外地或备选地,通配符值可以用定长串来格式化。例如,定长符号(例如,8位字符)可编码十六进制字段中的每一个数字。例如, 字符串可以指示具有代表通配符的特殊字符(如‘X’)的基于十六进制的值。例如,在“XFFFXXFFFF10”串中,每个‘X’代表一个通配符值。
图7示出代表由本文所描述的一个或多个实施例执行的操作的示例性逻辑流700。因此,该逻辑流可用于图1的上下文。但是,实施例并不限定于此上下文。并且,尽管图7示出特定序列,但也可以采用其它序列。此外,所描绘的操作能以各种并行和/或顺序组合的方式来执行。
在方框702,基站标识它的邻居基站。这可通过各种技术来执行,例如交换控制消息、执行各种管理协议等等。
基于该标识,基站(在方框704)生成指示上述多个基站的消息。该消息可以是例如邻居列表(如,NBR-ADV)消息、搜索命令消息以及其它类型的消息。在该消息中,对多个基站的指示可以依照本文描述的技术(例如,基于通配符的技术)。然后,在方框706,基站无线传送该消息。
在方框708,移动台(例如,由该基站提供服务的移动台)接收该消息。进而,移动台可以基于该消息执行操作。示例性操作包括(但并不限定于):存储/更新邻居列表,执行搜索操作(例如,根据基站的指示),等等。
如方框710所指示,移动台可向基站发送响应消息。例如,移动台可发送搜索报告消息。该消息可包含明确指示邻居基站的测量报告。例如,这些测量报告可包括BSID指示符。
图8是诸如基站(例如,BS 102a-g中的任一个)和/或移动台(例如,MS 104a-h中的任一个)的无线装置中可包含的实现800的图。实现800可包含各种元件。例如,图8示出,实现800包含多个天线802a-c、收发器模块804、主机模块806和控制模块808。这些元件能以硬件、软件或其组合的方式实现。
天线802a-c提供与远程装置之间的无线信号交换。尽管描绘了三个天线,但可采用任意数量的天线(例如,一个或多个)。并且,实 施例也可采用一个或多个发射天线和一个或多个接收天线。这样的多天线布置可用于波束成形和/或用于对远程装置采用多个空间流。
收发器模块804提供与其它装置之间的信息交换。如图8所示,收发器模块804包括发射器部分810和接收器部分812。在操作过程中,收发器模块804提供天线802a-c与其它元件(例如,主机模块806和控制模块808)之间的接口。例如,发射器部分810从这些元件接收符号,并生成相应的信号以供一个或多个天线802a-c进行无线传输。这可涉及多种操作,例如调制、放大和/或滤波。但是,也可采用其它操作。
反之,接收器部分812获取由一个或多个天线802a-c接收的信号,并生成相应的符号。进而,可将这些符号提供给诸如主机模块806和控制模块808的元件。这种符号生成可涉及多种操作,包括(但并不限定于)解调、放大和/或滤波。
由收发器模块804生成和接收的信号可以是各种格式。例如,这些信号可以按照诸如正交频分多路访问(OFDMA)的基于正交频分复用(OFDM)的方案进行调制。然而,也可以采用其它方案和格式(例如,QPSK、BPSK、FSK等)。
为了提供这些特征,发射器部分810和接收器部分812均可包含各种组件,例如调制器、解调器、放大器、滤波器、缓冲器、向上转换器和/或向下转换器。这些组件能以硬件(如电子)、软件或其任意组合的方式来实现。
在收发器模块804和其它元件之间交换的符号可以形成与一种或多种协议和/或与一个或多个用户应用相关联的消息或信息。因此,这些元件可以执行对应于这个(或这些)协议和/或用户应用的操作。示例性协议包括(但并不限定于)各种媒体接入控制和发现协议。示例性用户应用包括电话、消息传送、e-mail、网页浏览、内容(如视频和音频)分配/接收等等。
此外,当传送信号时,收发器模块804可采用各种接入技术。例如,收发器模块804可以采用双工技术,例如时分双工(TDD)、频 分双工(FDD)等等。但是,实施例并不限定于这些技术。
在实施例中,控制模块808可以执行本文所描述的各种操作。例如,图8示出,控制模块808包括可生成各种消息的消息生成模块814。示例性消息包括如本文所述的邻居列表(如NBR-ADV)消息、搜索命令消息和搜索报告消息。另外,图8示出,控制模块808包括搜索模块816。搜索模块816可以用于(例如,在移动台实现中)搜索和测量相邻基站(例如,由服务基站所指示的相邻基站)。
这些操作的执行涉及控制模块808与收发器模块804交换信息和/或信号。这些信息可以是与远程装置(如BS和/或MS)交换的消息的格式,也可以是从BS接收的用来生成测量和搜索报告的信息。
主机模块806可以与收发器模块804交换符号,这些符号对应于与远程装置交换的无线信号。这些符号可以形成与一种或多种协议和/或一个或多个用户应用相关联的消息或信息。从而,主机模块806可以执行对应于这个(或这些)协议和/或用户应用的操作。示例性协议包括各种媒体接入、网络、传输和/或会话层协议。示例性用户应用包括电话、消息传送、e-mail、网页浏览、内容(如视频和音频)分配/接收等等。
如本文所述,各种实施例可以利用硬件元件、软件元件或其任意组合来实现。硬件元件的示例可包括处理器、微处理器、电路、电路元件(例如,晶体管、电阻器、电容器、电感器等)、集成电路、专用集成电路(ASIC)、可编程逻辑器件(PLD)、数字信号处理器(DSP)、现场可编程门阵列(FPGA)、逻辑门、寄存器、半导体器件、芯片、微芯片、芯片组等。
软件的示例可包括软件组件、程序、应用、计算机程序、应用程序、系统程序、机器程序、操作系统软件、中间件、固件、软件模块、例程、子例程、函数、方法、过程、软件接口、应用程序接口(API)、指令集、计算代码、计算机代码、代码段、计算机代码段、字、值、符号或其任意组合。
一些实施例可以利用例如机器可读的存储介质或物品来实现。存 储介质可以存储指令或指令集,该指令或指令集在由机器执行时可以使机器执行根据这些实施例的方法和/或操作。该机器可以包括例如任何合适的处理平台、计算平台、计算装置、处理装置、计算系统、处理系统、计算机、处理器或类似装置,并且可以使用任何合适的硬件和/或软件的组合来实现。
如本文所述,实施例可以包括存储介质或机器可读物品。它们可包括例如任何合适类型的存储器单元、存储器装置、存储器物品、存储器介质、存储装置、存储物品、存储介质和/或存储单元,如存储器、可移动或不可移动介质、可擦除或不可擦除介质、可写或可重写介质、数字或模拟介质、硬盘、软盘、致密盘盘只读存储器(CD-ROM)、可记录致密盘(CD-R)、可重写致密盘(CD-RW)、光盘、磁介质、磁-光介质、可移动存储卡或盘、各种类型的数字多用盘(DVD)、磁带、卡式磁带或类似装置。指令可包括任何合适类型的代码,例如源代码、编译代码、翻译代码、可执行代码、静态代码、动态代码、加密代码和类似代码,它们可利用任何合适的高级、低级、面向对象、可视、编译的和/或翻译的程序语言来实现。
尽管上文描述了本发明的各种实施例,但应理解,只是举例而非限制性地介绍它们。例如,实施例并不限定于涉及IEEE 802.16网络的上下文。
因此,相关领域的技术人员将明白,在不脱离本发明精神和范围的情况下,可在其中进行形式和细节的改变。因此,本发明的宽度和范围不应由上述示例性实施例限制,而应当只依据随附权利要求及其均等物来限定。
Claims (10)
1. 一种用于无线通信网络的方法,包括:
生成消息,所述消息指示多个相邻基站;以及
无线传送所述消息,
其中,所述消息包括指示多个基站标识符(BSID)的BSID指示符以及指示多个前导索引的前导指示符,所述BSID指示符以及所述前导指示符各包括一个或多个通配符值,所述BSID指示符代表包括所述多个相邻基站中的每一个的集,其中所述消息包括指示多个载波频率的载波频率指示符。
2. 如权利要求1所述的方法,其中,所述消息是邻居列表广播消息。
3. 如权利要求1所述的方法,其中,所述消息是送往移动台的搜索命令。
4. 如权利要求3所述的方法,还包括从所述移动台接收搜索报告消息,所述搜索报告消息包含针对所述多个邻居基站中的每一个的测量报告,其中,每个测量报告包含用来标识单个相应的邻居基站的指示符。
5. 如权利要求4所述的方法,其中,在所述测量报告的每一个中的所述指示符是BSID值。
6. 如权利要求1所述的方法,其中,所述网络是IEEE 802.16网络。
7. 一种无线通信设备,包括:
消息生成模块,用于生成指示多个相邻基站的消息;以及
收发器,用于无线传送所述消息,
其中,所述消息包括指示多个基站标识符(BSID)的BSID指示符以及指示多个前导索引的前导指示符,所述BSID指示符以及所述前导指示符各包括一个或多个通配符值,所述BSID指示符代表包括多个相邻基站中的每一个的集,其中所述消息包括指示多个载波频率的载波频率指示符。
8. 一种无线通信设备,包括:
收发器,用于接收无线消息,所述消息包括指示多个基站标识符(BSID)的BSID指示符以及指示多个前导索引的前导指示符,所述BSID指示符以及所述前导指示符各包括一个或多个通配符值,所述BSID指示符代表包括多个相邻基站中的每一个的集,其中所述消息包括指示多个载波频率的载波频率指示符;以及
搜索模块,用于搜索所述多个相邻基站。
9. 如权利要求8所述的设备,还包括用于生成搜索报告消息的报告生成模块;
其中,所述搜索报告消息包括所述多个相邻基站中的每一个的单独BSID。
10. 一种无线通信设备,包括:
用来生成消息的部件,所述消息指示多个相邻基站;以及
用来无线传送所述消息的部件,
其中,所述消息包括指示多个基站标识符(BSID)的BSID指示符以及指示多个前导索引的前导指示符,所述BSID指示符以及所述前导指示符各包括一个或多个通配符值,所述BSID指示符代表包括所述多个相邻基站中的每一个的集,其中所述消息包括指示多个载波频率的载波频率指示符。
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US20110110343A1 (en) | 2011-05-12 |
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US8731549B2 (en) | 2014-05-20 |
US20110111754A1 (en) | 2011-05-12 |
US8630245B2 (en) | 2014-01-14 |
JP5027912B2 (ja) | 2012-09-19 |
US20150004977A1 (en) | 2015-01-01 |
US9503939B2 (en) | 2016-11-22 |
JP2011155635A (ja) | 2011-08-11 |
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